考虑横向性能的盾构隧道纵向等效刚度分析

叶 飞; 何 川; 朱合华; 孙海东

考虑横向性能的盾构隧道纵向等效刚度分析 English Version

（1. 长安大学桥梁与隧道陕西省重点实验室，陕西西安 710064 ； 2. 西南交通大学地下工程系，四川成都 610031 ； 3. 同济大学岩土及地下工程教育部重点实验室，上海 200092 ）

基金项目: 国家自然科学基金项目（ 50808020 ， 51178052 ）；中央高校基科研业务专项基金项目（ CHD2011JC099 ）

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作者简介:
叶飞 (1977 – ) ，男，陕西石泉人，博士，副教授，主要从事隧道及地下工程方面的研究与教学工作。

中图分类号: TU91
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- 发布日期: 2011-12-14

Longitudinal equivalent rigidity analysis of shield tunnel considering transverse characteristics

(1. Chang’an University, Shaanxi Provincial Major Laboratory for Highway Bridge & Tunnel, Xi’an 710064, China ; 2. Department of Underground Engineering, Southwest Jiaotong University, Chengdu 610031, China; 3. Key Lab of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092 , China )

摘要

摘要: 盾构隧道作为一个三维问题，其横向性能与纵向性能是密切联系的，将其横向和纵向割裂为两个平面问题，虽然可使问题简单化，但无法考虑纵横向性能的匹配关系。在横向修正惯用法的基础上，将横向弯曲刚度有效率引入到纵向等效连续化模型的推导中，对考虑横向刚度影响的盾构隧道纵向等效抗弯刚度进行理论推导，得到了考虑横向刚度有效率的纵向等效抗弯刚度计算式，从而初步将纵向刚度的分析与横向刚度的变化统一起来，进而也说明了盾构隧道纵、横向抗弯刚度的相关性和匹配性。实例分析表明：盾构隧道横向抗弯刚度的大小与纵向等效抗弯刚度关系密切，表现为同方向、近线性关系变化，即纵向抗弯刚度随横向抗弯刚度的增大而增大。
- 盾构隧道 /
- 横向性能 /
- 修正惯用法 /
- 横向刚度有效率 /
- 纵向等效连续化模型
Abstract: As a three-dimensional structure, the transverse and longitudinal characteristics of a shield tunnel are closely correlative. Although it simplifies the three-dimensional problem by separating it into two plane problems, the relationship between the transverse and longitudinal characteristics cannot be taken into account in the analysis process. On the basis of the amendatory habitual analytical method, the longitudinal equivalent rigidity is deduced by considering the introduced transverse rigidity efficiency in the longitudinal equivalent continuous model. As a result, the formula to calculate longitudinal equivalent rigidity is gotten, which unifies the transverse and longitudinal characteristics of the shield tunnel and also demonstrates their correlation and matching. The practical analysis shows that the longitudinal equivalent rigidity increases with the increase of the transverse rigidity in a nearly linear relation.
- shield tunnel /
- transverse characteristic /
- amendatory habitual analytical method /
- transverse rigidity efficiency /
- longitudinal equivalent continuous model

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参考文献(17)

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考虑横向性能的盾构隧道纵向等效刚度分析 English Version

作者简介: 叶 飞 (1977 – ) ，男，陕西石泉人，博士，副教授，主要从事隧道及地下工程方面的研究与教学工作。

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Longitudinal equivalent rigidity analysis of shield tunnel considering transverse characteristics

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作者简介:
叶飞 (1977 – ) ，男，陕西石泉人，博士，副教授，主要从事隧道及地下工程方面的研究与教学工作。